- American Orthopaedic Associationwww.aoassn.org
- American Public Health Associationwww.apha.org
- U.S Department of Laborwww.dol.gov
- American Medical Association www.ama-assn.org
- American Health Care Association www.ahcancal.org
- Mobility International www.miusa.org
- American Academy of Pain Medicinewww.painmed.org
